Kopsia singapurensis (also called White Kopsia) is a species of plant in the Apocynaceae family. It is found only in Peninsular Malaysia and Singapore. It is threatened by habitat loss. It can grow up to five metres tall. When the plant is cut, white latex is produced. The flower has five petals. In Singapore, the tree can only be found in the Nee Soon Swamp Forest. In the wild, it flowers only twice a year, but when cultivated, it is free-flowering if grown under the right conditions.